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Which has more grams of NaCl? A 2 molar solution in 2 Liters, or a 3 molar solution in 1.5 Liters?
A 1.30 g sample of dry ice is added to a 745 mL flask containing nitrogen gas at a temperature of 25.0 degrees Celcius and a pressure of 715 mmHg.
Draw the structure of phenylethyla amine and tell me what the CH3 and CH2 patterns in the HNMR
Draw the mechanism (showing arrows and each step) of the synthesis of 3-nitrophthalic acid to luminol.
A sample of iron was dissolved iin hydrochloric acid. The liberated hydrogen was collected by displacement of water. The hydrogen occupied 262 mL at 26 c.
ammonia, NH3, reacts with hypochlorite ion, OCl-, to produce hydrazine, N2H4. How many moles of hydrazine are produced from 5.85 mol of ammonia if the reaction has a 78.2% yield
Calculate the cell potential E for a silver-silver chlroide lectrode immersed in 0.800 M KCl at 25 C.
The HCl molecule has a bond length of 127 pm and has partial charges of (+)(-)0.177e. What is the dipole moment of the HCl molecule in units of Debye (D)
what mass of ethanol c2h5oh a nonelectrolyte must be added to 10.0 l of water to give a solution that freezes at
(The molecular formula for X is C8H8O2), and (The empirical formula for X is C4H4O) are all true. C) The empirical formula for X is C4H4O. D) The molecular formula for X is C8H8O2. E) X has a molecular mass of 136.
Did the. Temperature oof the water rise or fall when the nh4no3 was added? Explain this in terms of heat ttransfer.
A sample of nitrous oxide gas, N2O in a nonrigid container at a temperature of 33C occupies a certain volume at a certain pressure. What will be its temperature in degree Celsuis in each of the following situations
Calculate the pH of a 2.96 M solution of 2,4,6-trimethylpyridine. The Kb of 2,4,6-trimethylpyridine is 2.7x10-7
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